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How do I do this ??

How do I do this ??
asked 68.0k views
4 votes
How do I do this ??

How do I do this ??-example-1
asked
User Barbushin
by
8.1k points

2 Answers

5 votes
-4x^2 * 3x = -12x^3
-4x^2 *-7 = +28x^2
So since you can’t add them together the answer is the second one
answered
User Shiv Buyya
by
8.7k points
5 votes
 the answer is b.) -12x^3+28x^2
answered
User Eucalculia
by
8.6k points
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